There are total 18 hours or 1080 minutes from 7am to 1am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 2PM to 1AM | 2AM to 7AM | 6AM to 2AM |
| 10AM to 2PM | 5PM to 9AM | 8AM to 6AM |
| 6AM to 10AM | 12AM to 5PM | 1PM to 12PM |
| 12PM to 7AM | 3AM to 9PM | 1AM to 4AM |
| 3AM to 3PM | 4PM to 8AM | 6AM to 5AM |
| 11PM to 6PM | 9AM to 6AM | 10AM to 6PM |
